Features: 1Made after galvanized to prevent damage and fading, and is resistant to oxidation 2Can be used for fastening field of various metal plates and pipes and other manufacturing industries 3Suitable for assembly of electromechanical and light industrial products such as automobiles, elevators, switches, instruments, furniture, and decoration 4Color-plated zinc rivet nuts are sorted in transparent storage boxes for quick access and protection 5The product possess small size, easy to store and convenient to carry, helps a lot in industry hardware Item Type: Rivet Nut Material: Steel(color-plated zinc) Product Model: M3/4/5/6/8/10/12 Package Included: 55 x M3 Rivet Nut 50 x&nbspM4&nbspRivet Nut 45 x&nbspM5&nbspRivet Nut 40 x M6 Rivet Nut 20 x M8 Rivet Nut 10 x M10 Rivet Nut 5 x M12 Rivet Nut